Commerce

This information is reliable as of patch 2.0.201.56. If this is no longer the current patch, you can help by updating it.

This information is reliable as of patch 2.0.201.56.

Caves of Qud has a bartering system where items vary in price based on a multitude of factors. Commerce is the base value that is specified for each item that is then multiplied or divided by a multiplier depending on selling or buying.

Trading Multiplier Formula

$\text{Multiplier}=0.07\times (\text{Ego Modifier}+2\text{(if Snake Oiler)})+0.35$

If the player has Glotrot, Ego modifier and Snake oiler no longer have an effect and returns a flat -3. The equation then becomes

$\text{Multiplier (with Glotrot)}=0.14$

The multiplier cannot be higher than 0.95(achievable with +9 Ego modifier or +7 Ego modifier with Snake Oiler) and the multiplier cannot be lower than .05 (-5 Ego modifier).

When buying an item from a trader, this multiplier is divided by the value of the item in question. When the item is sold, the value is multiplied by the multiplier.

Reputation Effect on Trade Prices

Reputation with the merchant also affects trade prices, acting essentially as a bonus or penalty to the player's ego modifier.

Reputation with merchant	Bonus applied to Ego Modifier for Trade
600 or more	+3 bonus
250 to 599	+1 bonus
-249 to 249	0
-599 to -250	-1 penalty
-600 or less	-3 penalty

Sacred Well Reputation Formula

Main article: Sacred well

How much reputation the Sacred well gives is also dependent on the commerce value of the object.

$\text{Reputation}=\text{Commerce}/10$

Reputation cannot go lower than 1, and if an object that has no specified value defaults to 10 reputation.

Book Experience Formula

$\text{Exp}=\text{Floor}(\frac{Commerc{e}^2}{25})$

Modifications and Commerce

Each modification has a Value attribute that is multiplied against the base Commerce value to get the new modified value.

Items by Commerce Value

Page	Commerce	Category
Page	Commerce	Category
Otherpearl	33,333.0	Bracelets
Kesil Face	10,000.0	Masks
Hand-E-Nuke	10,000.0	Grenades
Shemesh Face	8,000.0	Masks
Circle of light in the chord of Agolgot	7,500.0	Floating Nearby
Circle of light in the chord of Rermadon	7,500.0	Floating Nearby
Circle of light in the chord of Qas	7,500.0	Floating Nearby
Circle of light in the chord of Bethsaida	7,500.0	Floating Nearby
Circle of light in the chord of Shugruith	7,500.0	Floating Nearby
Circle of light in the chord of Qon	7,500.0	Floating Nearby
Circle of light in the chord of Ehalcodon	7,500.0	Floating Nearby
Flange from the Great Machine	6,666.0	Armor
Gauge from the Great Machine	6,666.0	Masks
Sail from the Great Machine	6,666.0	Cloaks
Gear from the Great Machine	6,666.0	Shields
Earth Face	6,500.0	Masks
Zetachrome lune	6,000.0	Armor
Levant Face	5,000.0	Masks
Olive Face	4,000.0	Masks
Mecha power core	4,000.0	Items
Null Face	4,000.0	Masks
Swarm rack	3,200.0	Heavy Weapons
Timecube	3,000.0	Trinkets
Mental aggregator	2,265.0	Helmets
Psychodyne helmet	2,140.0	Helmets
Transkinetic cuffs	2,100.0	Bracelets
Fist of the Ape God	2,000.0	Cudgels
Cathedra with white opal tracery	2,000.0	Cybernetics
Cathedra with ruby tracery	2,000.0	Cybernetics
Spaser rifle	2,000.0	Rifles
Blast cannon	2,000.0	Heavy Weapons
Cathedra with sapphire tracery	2,000.0	Cybernetics
Cathedra with black opal tracery	2,000.0	Cybernetics
Phase cannon	2,000.0	Heavy Weapons
Flawless crysteel shardmail	1,900.0	Armor
Leyline puppeteers	1,750.0	Gloves
Black mote	1,666.0	Floating Nearby
Crystalline jile	1,666.0	Short Blades
Crystalline halo	1,666.0	Helmets
Chassis plate	1,600.0	Cloaks
Light rail	1,500.0	Rifles
Zetachrome long sword	1,500.0	Long Blades
High-energy thermo cask	1,500.0	Armor
Zetachrome warhammer	1,500.0	Cudgels
Zetachrome pumps	1,500.0	Footwear
Va'am's lens	1,500.0	Shields
Zetachrome battle axe	1,500.0	Axes
Tri-hologram bracelet	1,500.0	Bracelets
Nacham's ribbon	1,500.0	Cloaks
Spaser pistol	1,500.0	Pistols
Two-handed zetachrome long sword	1,500.0	Long Blades
Zetachrome hammer	1,500.0	Cudgels
Zetachrome halberd	1,500.0	Axes
Dagasha's spur	1,500.0	Hats
Kah's loop	1,500.0	Armlets
Zetachrome gloves	1,500.0	Gloves
Zetachrome apex	1,500.0	Helmets
3D cobblers	1,400.0	Footwear
Zetachrome dagger	1,390.0	Short Blades
Longreach grappling gun	1,250.0	Pistols
High-voltage arc winder	1,250.0	Pistols
Chiral rings	1,250.0	Floating Nearby
Enigma cone	1,250.0	Armor
Crysteel shardmail	1,200.0	Armor
Nullray pistol	1,200.0	Pistols
Hand rail	1,050.0	Pistols
Di-thermo beam	1,000.0	Pistols
Gas tumbler	1,000.0	Equipment
Chain laser	1,000.0	Heavy Weapons
Thermo cask	1,000.0	Armor
Anti-gravity boots	1,000.0	Footwear
Dazzle cheek	999.0	Masks
Psychic meridian	999.0	Helmets
Palladium mesh tabard	925.0	Cloaks
Psychal fleshgun	900.0	Pistols
Helping hands	900.0	Backpacks
Nano-neuro animator	900.0	Tools
Kaleidocera muffs	900.0	Gloves
Kaleidocera cape	900.0	Cloaks
Eigenrifle	900.0	Rifles
Night-sight interpolators	900.0	Eyewear
Kaleidocera krakows	900.0	Footwear
Gyrocopter backpack	800.0	Backpacks
Point-defense drone	800.0	Floating Nearby
Nanoweave vest	795.0	Armor
Laser rifle	750.0	Rifles
Plastifer chem vest	750.0	Armor
Freeze ray	750.0	Rifles
Geomagnetic disc	750.0	Thrown Weapons
Hypertractor	750.0	Rifles
Space inverter	750.0	Pistols
Linear cannon	750.0	Heavy Weapons
Arc winder	750.0	Pistols
Flawless crysteel great sword	720.0	Long Blades
Flawless crysteel warhammer	720.0	Cudgels
Flawless crysteel battle axe	720.0	Axes
Flawless crysteel long sword	720.0	Long Blades
Flawless crysteel mace	720.0	Cudgels
Flawless crysteel halberd	720.0	Axes
Precision nanon fingers	700.0	Gloves

More...